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    <title>香蕉</title>
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    <h1><mark>香蕉</mark></h1>
    <figure>
        <img src="banana.jpg" alt="香蕉图片" width="300">
        <figcaption>新鲜香蕉</figcaption>
    </figure>
    <p>香蕉是一种营养丰富的水果，富含维生素和纤维。</p>
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